<template>
  <div class="account-box">
    <div class="toggle">
      <a @click="isMsgLogin=false" href="javascript:;" v-if="isMsgLogin">
        <i class="iconfont icon-user"></i> 使用账号登录
      </a>
      <a @click="isMsgLogin=true" href="javascript:;" v-else>
        <i class="iconfont icon-msg"></i> 使用短信登录
      </a>
    </div>
    <VeeForm ref="myForm" class="form" :validation-schema="mySchema" v-slot="{errors}" autocomplete="off">
      <template v-if="!isMsgLogin">
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <Field :class="{error:errors.account}" v-model="form.account" name="account" type="text" placeholder="请输入用户名" />
          </div>
          <div class="error" v-if="errors.account">
            <i class="iconfont icon-warning" />
            {{errors.account}}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-lock"></i>
            <Field :class="{error:errors.password}" v-model="form.password" name="password" type="password" placeholder="请输入密码" />
          </div>
          <div class="error" v-if="errors.password">
            <i class="iconfont icon-warning" />
            {{errors.password}}
          </div>
        </div>
      </template>
      <template v-else>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <Field :class="{error:errors.mobile}" v-model="form.mobile" name="mobile" type="text" placeholder="请输入手机号" />
          </div>
          <div class="error" v-if="errors.mobile">
            <i class="iconfont icon-warning" />
            {{errors.mobile}}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-code"></i>
            <Field :class="{error:errors.code}" v-model="form.code" name="code" type="text" placeholder="请输入验证码" />
            <span @click="send()" class="code">
              {{time===0?'发送验证码':`${time}秒后发送`}}
            </span>
          </div>
          <div class="error" v-if="errors.code">
            <i class="iconfont icon-warning" />
            {{errors.code}}
          </div>
        </div>
      </template>
      <div class="form-item">
        <div class="agree">
          <input type="checkbox" style="-webkit-appearance: checkbox" v-model="isAgree" />
          <span>我已同意</span>
          <a href="javascript:;">《隐私条款》</a>
          <span>和</span>
          <a href="javascript:;">《服务条款》</a>
        </div>
      </div>
      <a @click="login" href="javascript:;" class="btn">登录</a>
    </VeeForm>
    <div class="action">
      <a href="https://graph.qq.com/oauth2.0/authorize?client_id=100556005&response_type=token&scope=all&redirect_uri=http%3A%2F%2Fwww.corho.com%3A8080%2F%23%2Flogin%2Fcallback">
        <img src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png" alt="">
      </a>
      <div class="url">
        <a href="javascript:;">忘记密码</a>
        <a href="/register">免费注册</a>
      </div>
    </div>
  </div>
</template>
<script setup>
import { onUnmounted, reactive, ref, watch } from 'vue'
import { Form as VeeForm, Field } from 'vee-validate'
import schema from '@/utils/vee-validate-schema'
import Message from '@/components/message'
import { userAccountLogin, userMobileLogin, userMobileLoginMsg } from '@/api/user'
import { useStore } from 'vuex'
import { useRoute, useRouter } from 'vue-router'
import { useIntervalFn } from '@vueuse/core'

  let isAgree = ref(true)
  // 切换短信登录
  const isMsgLogin = ref(false)
  // 表单数据对象
  const form = reactive({
    account: null,
    password: null,
    mobile: null,
    code: null
  })

  const mySchema = {
    // 校验函数规则：返回true就是校验成功，返回一个字符串就是失败，字符串就是错误提示
    account: schema.account,
    password: schema.password,
    mobile: schema.mobile,
    code: schema.code,
  }

  // 监听isMsgLogin重置表单（数据+清除校验结果）
  const myForm = ref(null)
  watch(isMsgLogin, () => {
    isAgree = true
    // 重置数据
    form.account = null
    form.password = null
    form.mobile = null
    form.code = null
    // 如果是没有销毁Field组件，之前的校验结果是不会清除  例如：v-show切换的
    // Form组件提供了一个 resetForm 函数清除校验结果
    myForm.value.resetForm()
  })

  // 需要在点击登录的时候对整体表单进行校验
  const store = useStore()
  const router = useRouter()
  const route = useRoute()
  const login = async () => {
    // Form组件提供了一个 validate 函数作为整体表单校验，当是返回的是一个promise
    const valid = await myForm.value.validate()
    if (valid) {
      try {
        let data = null
        if (isMsgLogin.value) {
          const { mobile, code } = form
          data = await userMobileLogin({ mobile, code })
        } else {
          const { account, password } = form
          data = await userAccountLogin({ account, password })
        }
        // // 存储用户信息
        const { id, account, avatar, mobile, nickname, token } = data.result
        store.commit('user/setUser', { id, account, avatar, mobile, nickname, token })
        store.dispatch('cart/mergeCart').then(() => {
          // 进行跳转
          router.push(route.query.redirectUrl || '/')
          // 成功消息提示
          Message({ type: 'success', message: '登录成功' })
        })
      } catch (e) {
        // 失败提示
          Message({ type: 'error', message: '登录失败' })
      }
    }
  }

  // // pause 暂停 resume 开始
  // // useIntervalFn(回调函数,执行间隔,是否立即开启)
  const time = ref(0)
  const { pause, resume } = useIntervalFn(() => {
    time.value--
    if (time.value <= 0) {
      pause()
    }
  }, 1000, false)
  // 组件卸载，清空定时器
  onUnmounted(() => {
    pause()
  })

  // // 1. 发送验证码
  const send = async () => {
    const valid = mySchema.mobile(form.mobile)
    if (valid === true) {
      // 通过
      if (time.value === 0) {
      // 没有倒计时才可以发送
        await userMobileLoginMsg(form.mobile)
        Message({ type: 'success', message: '发送成功' })
        time.value = 60
        resume()
      }
    } else {
      // 失败，使用vee的错误函数显示错误信息 setFieldError(字段,错误信息)
      myForm.value.setFieldError('mobile', valid)
    }
  }

</script>
<style scoped lang="less">
// 账号容器
.account-box {
  .toggle {
    padding: 15px 40px;
    text-align: right;
    a {
      color: @mainColor;
      i {
        font-size: 14px;
      }
    }
  }
  .form {
    padding: 0 40px;
    &-item {
      margin-bottom: 28px;
      .input {
        position: relative;
        height: 36px;
        > i {
          width: 34px;
          height: 34px;
          background: #cfcdcd;
          color: #fff;
          position: absolute;
          left: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 18px;
        }
        input {
          padding-left: 44px;
          border: 1px solid #cfcdcd;
          height: 36px;
          line-height: 36px;
          width: 100%;
          &.error {
            border-color: @priceColor;
          }
          &.active,&:focus {
            border-color: @mainColor;
          }
        }
        .code {
          position: absolute;
          right: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 14px;
          background: #f5f5f5;
          color: #666;
          width: 90px;
          height: 34px;
          cursor: pointer;
        }
      }
      > .error {
        position: absolute;
        font-size: 12px;
        line-height: 28px;
        color: @priceColor;
        i {
          font-size: 14px;
          margin-right: 2px;
        }
      }
    }
    .agree {
      a {
        color: #069;
      }
    }
    .btn {
      display: block;
      width: 100%;
      height: 40px;
      color: #fff;
      text-align: center;
      line-height: 40px;
      background: @mainColor;
      &.disabled {
        background: #cfcdcd;
      }
    }
  }
  .action {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    .url {
      a {
        color: #999;
        margin-left: 10px;
      }
    }
  }
}
</style>
